Re: OT: Carbon Dioxide races -> known vs unknown -> terraforming mars -> is or is not
I haven't been paying a lot of attention to new physics for over ten years, but Last I heard, practically all of our ability to observe all phenomena was fundamentally electro-magnetic. Therefore, it's quite difficult to prove the existence, not to mention the non-existence, of phenomena which have zero or near-zero electro-magnetic effects.
There could be entire classes of phenomena which we simply haven't observed, because we haven't noticed any interactions with our senses or equipment.
PvK
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